135533044 has 48 divisors (see below), whose sum is σ = 259667856. Its totient is φ = 61644800.

The previous prime is 135533039. The next prime is 135533051. The reversal of 135533044 is 440335531.

It can be written as a sum of positive squares in 8 ways, for example, as 5116644 + 130416400 = 2262^2 + 11420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482184 + ... + 482464.

It is an arithmetic number, because the mean of its divisors is an integer number (5409747).

Almost surely, 2^135533044 is an apocalyptic number.

It is an amenable number.

135533044 is a deficient number, since it is larger than the sum of its proper divisors (124134812).

135533044 is a wasteful number, since it uses less digits than its factorization.

135533044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 135533044 is about 11641.8660016339. The cubic root of 135533044 is about 513.6670768735.

Adding to 135533044 its reverse (440335531), we get a palindrome (575868575).

The spelling of 135533044 in words is "one hundred thirty-five million, five hundred thirty-three thousand, forty-four".